What would they get? Best case, there is a contact name associated with a phone number they think is suspicious? Wouldn't that have been backed up on iCloud? A

What would they get? Best case, there is a contact name associated with a phone number they think is suspicious? Wouldn't that have been backed up on iCloud? Also, what's the endgame? They want to convict the dead guy? They want to convict the neighbor who sold them guns, maybe?